RESTRUCTURING INITIATIVES - Summary (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Dec. 31, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		$ 17.5	$ 19.8	$ 93.2	$ 54.4
Open Up Avon
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		10.8	19.1	84.1	19.1
Transformation Plan
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		6.7	0.7	9.0	36.0
Other Restructuring Initiatives
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		0.0	0.0	0.1	(0.7)
Inventory write-off | Open Up Avon
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives	$ 88.0
Cost of Goods Sold
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		(1.0)	(0.1)	11.9	1.0
Cost of Goods Sold | Manufacturing asset write-offs
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		1.1	0.0	10.9	0.0
Cost of Goods Sold | Inventory write-off
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		(2.1)	(0.1)	1.0	1.0
Selling, General and Administrative Expense
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		18.5	19.9	104.8	53.4
Selling, General and Administrative Expense | Net charges for employee-related costs, including severance benefits
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		3.2	6.4	51.9	31.9
Selling, General and Administrative Expense | Implementation costs, primarily related to professional service fees
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		7.8	11.8	33.7	17.5
Selling, General and Administrative Expense | Dual running costs
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		3.7	0.0	8.2	0.0
Selling, General and Administrative Expense | Contract termination and other net benefits
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		(0.1)	(1.7)	4.5	(1.0)
Selling, General and Administrative Expense | Impairment of other assets
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		0.1	2.5	2.4	2.5
Selling, General and Administrative Expense | Accelerated depreciation
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		2.3	0.9	2.6	2.5
Selling, General and Administrative Expense | Variable lease charges
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		1.5	0.0	1.5	0.0
Operating Profit
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		17.5	19.8	116.7	54.4
Other Expenses | Gain on sale of Rye Office
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		0.0	0.0	(9.9)	0.0
Other Expenses | Gain on sale of Malaysia Maximin
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		0.0	0.0	(3.3)	0.0
Other Expenses | Gain on sale of China business (relating mainly to foreign currency translation adjustment gain)
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiatives		$ 0.0	$ 0.0	$ (10.3)	$ 0.0